<div class="list-form">
    <div class="row">
        <form action="" class="col-xs-12 col-sm-10 col-md-8">
            <fieldset class="row">
                <div class="form-group col-xs-12">
                    <span class="sr-only">comment</span>
                    <textarea name="comment" class="form-control" rows="2" placeholder="Comment..."></textarea>
                </div>
                <div class="form-group col-xs-12 col-sm-6">
                    <span class="sr-only">name</span>
                    <input type="text" class="form-control" name="name" placeholder="Name">
                </div>
                <div class="form-group col-xs-12 col-sm-6">
                    <span class="sr-only">email</span>
                    <input type="email" class="form-control" placeholder="E-mail" name="email">
                </div>

                <div class="form-actions col-xs-12">
                    <button type="submit" class="btn btn-fill-default">POST COMMENT</button>
                </div>
            </fieldset>
        </form>
    </div>
</div>